CARMA And GBT Observations Of Cold Gas In Red- And Blue-Sequence E/S0 Galaxies

Details CARMA And GBT Observations Of Cold Gas In Red- And Blue-Sequence E/S0 Galaxies CARMA And GBT Observations Of Cold Gas In Red- And Blue-Sequence E/S0 Galaxies

Dec 2007

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2007aas...211.9720w&link_type=abstract

American Astronomical Society, AAS Meeting #211, #97.20; Bulletin of the American Astronomical Society, Vol. 39, p.907

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"Blue-sequence E/S0s" represent a unique population of galaxies - morphologically classified as early types, but occupying the same blue locus as spirals in color vs. stellar mass space. These galaxies may form a transitional class between spirals and red-sequence E/S0s - some blue-sequence E/S0s could exhaust their fuel and form compact distributions characteristic of merger-driven inflow, while others, settled products of long-ago mergers, could rebuild disks. We present Combined Array for Research in Millimeter-wave Astronomy (CARMA) CO 1-0 observations of blue- and red-sequence E/S0s, with resolution down to 2-3'', as well as integrated HI spectra from the Green Bank Telescope (GBT). We discuss the potential for morphological evolution of these galaxies based on the distribution of CO emission, molecular and atomic gas mass, and CO kinematics.

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